<!--  -->
<template>
  <div>
      <!-- 面包屑 头部导航 -->
      <el-breadcrumb separator-class="el-icon-arrow-right">
        <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
        <el-breadcrumb-item>用户管理</el-breadcrumb-item>
        <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 搜索框与添加 -->
        <!-- 卡片视图 -->
    <el-card class="box-card">
        <el-row :gutter="20">
            <el-col :span="7">
                <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getUserList">
                <el-button slot="append" icon="el-icon-search" @click="getUserList"
                ></el-button>
                </el-input>
            </el-col>
            <el-col :span="4">
                <el-button type="primary" @click="addDialogVisible = true">添加用户</el-button>
            </el-col>
        </el-row>
        <!-- 用户列表区 -->
        <el-table :data="userlist" border stripe>
            <el-table-column type="index"></el-table-column>
            <el-table-column label="姓名" prop="username"></el-table-column>
            <el-table-column label="邮箱" prop="email"></el-table-column>
            <el-table-column label="电话" prop="mobile"></el-table-column>
            <el-table-column label="角色" prop="role_name"></el-table-column>
            <el-table-column label="状态" prop="mg_state">
                <!-- 作用域插槽 拿到该行数据-->
                <template slot-scope="scope">
                    <el-switch
                    v-model="scope.row.mg_state" @click="userStateChanged(scope.row)">
                    </el-switch>
                  </template>
              </el-table-column>
            <el-table-column label="操作" width="190px">
                <template slot-scope="scope">
                    <!-- 修改、删除、分配角色 -->
                    <!-- {{scope}} -->
                    <el-button type="primary" icon="el-icon-edit" size="mini" @click="showEditDialog(scope.row.id)"></el-button>
                    <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeUserById(scope.row.id)"></el-button>
                    <el-tooltip effect="dark" content="分配角色" placement="top" :enterable='false'>
                    <el-button type="warning" icon="el-icon-setting" size="mini" @click="showSetRoleDialog(scope.row)"></el-button>
                    </el-tooltip>
                </template>
            </el-table-column>
        </el-table>
        <!-- 分页区域 -->
        <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[1,2,5,10]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="queryInfo.total">
        </el-pagination>
        <!-- layout 展示布局结构 -->
    </el-card>
    <!-- 添加用户对话框 -->
    <el-dialog
      title="添加用户"
      :visible.sync="addDialogVisible"
      width="50%"
      @close="addDialogClosed">
      <!-- 内容主体区 -->
      <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="70px">
        <el-form-item label="用户名" prop="username">
          <el-input v-model="addForm.username"></el-input>
        </el-form-item>
        <el-form-item label="密码" prop="password">
          <el-input v-model="addForm.password"></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="addForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机" prop="mobile">
          <el-input v-model="addForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <!-- 底部功能区 -->
      <span slot="footer" class="dialog-footer">
        <el-button @click="addDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="addUser">确 定</el-button>
      </span>
    </el-dialog>
    <!-- 修改用户对话框 -->
    <el-dialog
      title="修改用户"
      :visible.sync="editDialogVisible"
      width="50%"
      @closed="editDialogClosed">
      <span>
        <el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="70px">
        <el-form-item label="用户名" prop="username">
          <el-input v-model="editForm.username" disabled></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="editForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机" prop="mobile">
          <el-input v-model="editForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      </span>
      <span slot="footer" class="dialog-footer">
        <el-button @click="editDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="editUserInfo">确 定</el-button>
      </span>
    </el-dialog>
    <!-- 分配角色对话框 -->
    <el-dialog
      title="分配角色"
      :visible.sync="setRoleDialogVisible"
      width="50%"
      @closed="setRoleDialogClosed">
      <div>
        <p>当前用户：{{ currentUser.username }}</p>
        <p>当前角色：{{ currentUser.role_name }}</p>
          <el-select v-model="setRoleId" clearable placeholder="请选择">
          <el-option
            v-for="item in roleList"
            :key="item.id"
            :label="item.roleName"
            :value="item.id">
          </el-option>
        </el-select>
      </div>
      <span slot="footer" class="dialog-footer">
        <el-button @click="setRoleDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="setUserRoleInfo">确 定</el-button>
      </span>
    </el-dialog>
  </div>
</template>

<script>
export default {
  data () {
    // 验证合法的手机号
    var checkMobile = (rule, value, cb) => {
      const regMoblie = /^1[34578]\d{9}$/
      if (regMoblie.test(value)) {
        return cb()// 合法手机号
      }
      cb(new Error('请输入合法手机号'))
    }

    return {
      // 获取用户列表参数
      queryInfo: {
        query: '',
        pagenum: 1,
        pagesize: 2
      },
      userlist: [],
      total: 0,
      // 控制对话框显示和隐藏
      addDialogVisible: false,
      // 添加用户属性
      addForm: {
        username: '',
        password: '',
        email: '',
        mobile: ''
      },
      // 添加用户规则
      addFormRules: {
        username: [
          { required: true, messsage: '请输入用户名', trigger: 'blur' },
          { min: 3, max: 10, messsage: '用户名长度在3-10字符', trigger: 'blur' }
        ],
        password: [
          { required: true, messsage: '请输入密码', trigger: 'blur' },
          { min: 3, max: 10, messsage: '用户名长度在3-10字符', trigger: 'blur' }
        ],
        email: [
          { required: true, messsage: '请输入邮箱', trigger: 'blur' },
          { type: 'email', messsage: '请输入正确的邮箱', trigger: ['blur', 'change'] }
        ],
        mobile: [
          { required: true, messsage: '请输入手机号', trigger: 'blur' },
          { validator: checkMobile, trigger: ['blur', 'change'] }
        ]
      },
      // 修改对话框显示和隐藏
      editDialogVisible: false,
      // 修改对话框用户信息
      editForm: {},
      // 修改用户规则
      editFormRules: {
        email: [
          { required: true, messsage: '请输入邮箱', trigger: 'blur' },
          { type: 'email', messsage: '请输入正确的邮箱', trigger: ['blur', 'change'] }
        ],
        mobile: [
          { required: true, messsage: '请输入手机号', trigger: 'blur' },
          { validator: checkMobile, trigger: ['blur', 'change'] }
        ]
      },
      // 分配角色对话框显示隐藏
      setRoleDialogVisible: false,
      // 角色列表
      roleList: [],
      // 当前用户信息
      currentUser: {},
      // 选择赋予的角色id
      setRoleId: ''
    }
  },
  created () {
    this.getUserList()
  },
  methods: {
    async getUserList () {
      const { data: res } = await this.$http.get('users', { params: this.queryInfo })
      // console.log(res)
      if (res.meta.status !== 200) return this.$message.error('获取用户列表失败')
      this.userlist = res.data.users
      this.total = res.data.total
    },
    handleSizeChange (newSize) {
      // console.log(newSize)
      this.queryInfo.pagesize = newSize
      this.getUserList()
    },
    // 页码值改变
    handleCurrentChange (newPage) {
      // console.log(newPage)
      this.queryInfo.pagenum = newPage
      this.getUserList()
    },
    // 用户状态改变
    async userStateChanged (userInfo) {
      // console.log(userInfo)
      const { data: res } = await this.$$http.put(`users/${userInfo.id}/state/${userInfo.mg_state}`)
      if (res.meta.status !== 200) {
        userInfo.mg_state = !userInfo.mg_state
        return this.$message.error('更新状态失败')
      }
      this.$message.success('用户状态更改成功')
    },
    // 添加用户的对话框关闭
    addDialogClosed () {
      this.$refs.addFormRef.resetFields()
    },
    // 添加用户对话框
    addUser () {
      this.$refs.addFormRef.validate(async valid => {
        // console.log(valid)
        if (!valid) return
        const { data: res } = await this.$http.post('users', this.addForm)
        if (res.meta.status !== 201) return this.$message.error('添加用户失败')
        this.$message.error('添加用户成功')
        this.addDialogVisible = false
        this.getUserList()
      })
    },
    // 展示编辑用户对话框
    async showEditDialog (userId) {
      const { data: res } = await this.$http.get('users/' + userId)
      if (res.meta.status !== 200) {
        return this.$message.error('查询用户信息失败')
      }
      this.editForm = res.data
      this.editDialogVisible = true
      // console.log(this.editForm)
    },
    // 修改用户表单提交
    editUserInfo () {
      this.$refs.editFormRef.validate(async valid => {
        // console.log(valid)
        if (!valid) return// 信息不通过
        const { data: res } = await this.$http.put('roles/' + this.editForm.id, { email: this.editForm.email, mobile: this.editForm.mobile })
        // console.log(res)
        if (res.meta.status !== 200) return this.$message.err('角色修改失败')
        this.editDialogVisible = false
        this.$message.success('修改信息成功')
        this.getUserList()
      })
    },
    // 修改对话框关闭
    editDialogClosed () {
      this.$refs.editFormRef.resetFields()
    },
    // 删除用户按钮
    async removeUserById (UserId) {
      // console.log(UserId)
      const res = await this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).catch(err => err)
      // 取消删除 res = cancel  确认删除 res = confirm
      // console.log(res)
      if (res !== 'confirm') return this.$message({ type: 'info', message: '已取消删除' })
      const { data: delres } = await this.$http.delete('users/' + UserId)
      // console.log(delres)
      if (delres.meta.status !== 200) return this.$message.error('删除用户失败')
      this.$message.success('删除用户成功')
      this.getUserList()
    },
    // 点击弹出分配角色对话框
    async showSetRoleDialog (userInfo) {
      const { data: getRes } = await this.$http.get('roles')
      if (getRes.meta.status !== 200) return this.$message.error('获取角色列表失败')
      // this.$message.success('获取角色列表成功')
      // console.log(getRes.data)
      this.currentUser = userInfo
      this.roleList = getRes.data
      this.setRoleDialogVisible = true
    },
    // 更新用户的角色
    async setUserRoleInfo () {
      if (!this.currentUser) return this.$message.error('当前用户信息缺失')
      if (!this.setRoleId) return this.$message.error('请选择要分配的角色')
      const { data: putRes } = await this.$http.put(`users/${this.currentUser.id}/role`, { rid: this.setRoleId })
      if (putRes.meta.status !== 200) return this.$message.error(putRes.meta.msg)
      this.$message.success('分配角色成功')
      this.setRoleDialogVisible = false
      this.getUserList()
    },
    // 监听设置角色对话框关闭
    setRoleDialogClosed () {
      this.currentUser = {}
      this.setRoleId = ''
    }
  }
}
</script>

<style lang='less' scoped>

</style>
